Glass fastener



FIG. 1 is a perspective top view of my new ornamental design for a glass fastener;

FIG. 2 is a perspective bottom view of the glass fastener shown in FIG. 1;

FIG. 3 is a top view of the glass fastener shown in FIG. 1;

FIG. 4 is a bottom view of the glass fastener shown in FIG. 1; and,

FIG. 5 is a side view of the glass fastener shown in FIG. 1.

The side view depicts the glass fastener from any side.

The broken lines in the drawings illustrate portions of the glass fastener and form no part of the claimed design. 

CLAIM The ornamental design for a glass fastener, as shown and described. 